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How do I fix error code 4 in Call of Duty Warzone?

Alton Alexander
By Alton AlexanderUpdated on June 4th, 2022

Error code 4 is a problem that can occur when trying to play the game Warzone. This error code can happen for a variety of reasons, but the most common cause is an issue with the game's files. Sometimes these files can become corrupt or missing, which can cause the game to crash or refuse to start. Other times, this error code can occur if there is a problem with the game's installation. If the game is not installed properly, it can cause a number of problems, including the game not starting at all. If you are seeing this error code, it is recommended that you try restarting your computer and then try to launch the game again. If the game still does not start, you may need to reinstall the game.

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1. Restart the game

To restart the game in order to fix error code 4 warzone, first click on the "Play" button in the main menu. Then, click on the "Restart Game" button.

2. Check for updates

  1. On your computer, open the Microsoft Windows Update utility.
  2. In the search bar, type Windows Update.
  3. In the Windows Update window, click Check for updates.
  4. In the Check for updates window, click View all updates.
  5. In the View all updates window, select the check box next to the update that you want to install.
  6. Click Install updates.
  7. If the update is a recommended update, the installation process will start.
  8. If the update is required, the installation process will start, and a notification will be displayed in the Windows Update window.
  9. After the update is installed, a notification will be displayed in the Windows Update window.

3. Run the game as an administrator

  1. Open the game launcher and click on the Play button.
  2. Click on the Options button.
  3. In the Options window, click on the Gameplay tab.
  4. In the Gameplay tab, click on the Error Codes button.
  5. In the Error Codes window, click on the Warzone button.
  6. In the Warzone window, click on the Action button.
  7. In the Action window, click on the Edit button.
  8. In the Edit window, click on the Server Options button.
  9. In the Server Options window, click on the General tab.
  10. In the General tab, click on the Server IP Address button.
  11. In the Server IP Address window, click on the Edit button.
  12. In the Edit window, type the server IP address in the Server IP Address text box.
  13. In the Server Port Number text box, type the port number of the server.
  14. In the Authentication Type text box, type the authentication type of the server.
  15. In the Server Side Language text box, type the language of the server.
  16. Click on the OK button.
  17. Click on the Play button.

4. Reinstall the game

  1. Start your Origin game by clicking on Origin in your Start Menu.
  2. Click on Games and then select the game you want to reinstall.
  3. On the game's page, select the Install button.
  4. Follow the on-screen instructions to reinstall the game.
  5. Once the game is reinstalled, select the Launch Game button.
  6. Enter your Origin account name and password.
  7. Click on the OK button.
  8. Enter your game's activation code.
  9. Click on the Launch Game button.
  10. The game will start and you will be prompted to enter your game's activation code.
  11. Enter the code and click on the OK button.